AirHint found the following cheapest return flights from Perth (PER) to Barcelona (BCN) in December 2025 (see full year).

Return flights

04 Dec - 18 Dec	Qatar Airways
15 Dec - 15 Jan	Qatar Airways
03 Dec - 29 Dec	Batik Air Malaysia
22 Dec - 04 Jan	Qatar Airways
26 Dec - 24 Jan	Qantas
05 Dec - 18 Dec	Batik Air Malaysia
13 Dec - 06 Jan	Qantas
21 Dec - 11 Jan	Qantas
11 Dec - 02 Jan	Qantas
19 Dec - 05 Jan	Qantas
19 Dec - 06 Jan	Qantas
13 Dec - 02 Jan	Qantas
19 Dec - 02 Jan	Qantas

Also check the deals for one-way flights from Perth to Barcelona in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Perth to Barcelona in December from 1106€

Return flights